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hdf5/test/flush2.c
Dana Robinson 7f1e49206d
Renamed COPYING to LICENSE (#4978) 
This is where most people will expect to find license information. The
COPYING_LBNL_HDF5 file has also been renamed to LICENSE_LBNL_HDF5.
The licenses are unchanged.
2024-10-18 21:13:04 -07:00

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C
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the LICENSE file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: This is the second half of a two-part test that makes sure
* that a file can be read after an application crashes as long
* as the file was flushed first. This half tries to read the
* file created by the first half.
*/
#include "h5test.h"
/* This file needs to access the file driver testing code */
#define H5FD_FRIEND /*suppress error about including H5FDpkg */
#define H5FD_TESTING
#include "H5FDpkg.h" /* File drivers */
/* Make this private property (defined in H5Fprivate.h) available */
/* This is used in the helper routine clear_status_flags() */
#define H5F_ACS_CLEAR_STATUS_FLAGS_NAME "clear_status_flags"
static const char *FILENAME[] = {"flush", "flush-swmr", "noflush",
"noflush-swmr", "flush_extend", "flush_extend-swmr",
"noflush_extend", "noflush_extend-swmr", NULL};
/* Number and size of dataset dims, chunk size, etc. */
#define NELEMENTS 10000
#define FIRST_DSET_NAME "dset1"
#define SECOND_DSET_NAME "dset2"
/* Number of sub-groups created in the containing group */
#define NGROUPS 100
static bool dset_ok(hid_t fid, const char *dset_name);
static bool file_ok(const char *filename, hid_t fapl_id, bool check_second_dset);
/*-------------------------------------------------------------------------
* Function: dset_ok
*
* Purpose: Checks if the data in a dataset is what it is supposed to be.
*
* Return: true/false
*
*-------------------------------------------------------------------------
*/
static bool
dset_ok(hid_t fid, const char *dset_name)
{
hid_t sid = H5I_INVALID_HID; /* dataspace ID */
hid_t did = H5I_INVALID_HID; /* dataset ID */
int *data = NULL; /* data buffer */
hsize_t dims[1] = {0}; /* size of dataset */
int i; /* iterator */
/* Open the dataset and check size */
if ((did = H5Dopen2(fid, dset_name, H5P_DEFAULT)) < 0)
goto error;
if ((sid = H5Dget_space(did)) < 0)
goto error;
if (H5Sget_simple_extent_dims(sid, dims, NULL) < 0)
goto error;
if (dims[0] != NELEMENTS)
goto error;
/* Read the data */
if (NULL == (data = (int *)calloc((size_t)NELEMENTS, sizeof(int))))
goto error;
if (H5Dread(did, H5T_NATIVE_INT, sid, sid, H5P_DEFAULT, data) < 0)
goto error;
for (i = 0; i < NELEMENTS; i++)
if (i != data[i])
goto error;
if (H5Sclose(sid) < 0)
goto error;
if (H5Dclose(did) < 0)
goto error;
free(data);
return true;
error:
H5E_BEGIN_TRY
{
H5Sclose(sid);
H5Dclose(did);
}
H5E_END_TRY
free(data);
return false;
} /* end dset_ok() */
/*-------------------------------------------------------------------------
* Function: file_ok
*
* Purpose: Checks that the contents of a file are what they should be.
*
* Return: true/false
*
*-------------------------------------------------------------------------
*/
static bool
file_ok(const char *filename, hid_t fapl_id, bool check_second_dset)
{
hid_t fid = H5I_INVALID_HID; /* file ID */
hid_t top_gid = H5I_INVALID_HID; /* containing group ID */
hid_t gid = H5I_INVALID_HID; /* subgroup ID */
char group_name[32]; /* group name */
int i; /* iterator */
/* open file */
if ((fid = H5Fopen(filename, H5F_ACC_RDONLY, fapl_id)) < 0)
goto error;
/* check datasets */
if (!dset_ok(fid, FIRST_DSET_NAME))
goto error;
if (check_second_dset)
if (!dset_ok(fid, SECOND_DSET_NAME))
goto error;
/* check groups */
if ((top_gid = H5Gopen2(fid, "top_group", H5P_DEFAULT)) < 0)
goto error;
for (i = 0; i < NGROUPS; i++) {
snprintf(group_name, sizeof(group_name), "group%02d", i);
if ((gid = H5Gopen2(top_gid, group_name, H5P_DEFAULT)) < 0)
goto error;
if (H5Gclose(gid) < 0)
goto error;
} /* end for */
if (H5Gclose(top_gid) < 0)
goto error;
if (H5Fclose(fid) < 0)
goto error;
return true;
error:
H5E_BEGIN_TRY
{
H5Gclose(top_gid);
H5Gclose(gid);
H5Fclose(fid);
}
H5E_END_TRY
return false;
} /* end file_ok() */
/*-------------------------------------------------------------------------
* Function: clear_status_flags
*
* Purpose: Clears the status_flags in the superblock of the file.
* It is smilar to the tool "h5clear".
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
static herr_t
clear_status_flags(const char *filename, hid_t fapl_id)
{
hid_t new_fapl_id = H5I_INVALID_HID; /* copy of the file access plist ID */
hid_t fid = H5I_INVALID_HID; /* file ID */
bool clear = true;
/* Get a copy of fapl */
if ((new_fapl_id = H5Pcopy(fapl_id)) < 0)
goto error;
/* Set this private property */
if (H5Pset(new_fapl_id, H5F_ACS_CLEAR_STATUS_FLAGS_NAME, &clear) < 0)
goto error;
/* Has to open rw */
if ((fid = H5Fopen(filename, H5F_ACC_RDWR, new_fapl_id)) < 0)
goto error;
/* CLose the property list */
if (H5Pclose(new_fapl_id) < 0)
goto error;
/* Close the file */
if (H5Fclose(fid) < 0)
goto error;
return SUCCEED;
error:
H5E_BEGIN_TRY
{
H5Pclose(new_fapl_id);
H5Fclose(fid);
}
H5E_END_TRY
return FAIL;
} /* end clear_status_flags() */
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: Confirms file contents in a variety of flush scenarios.
* Part 2 of a two-part H5Fflush() test.
*
* Return: EXIT_SUCCESS/EXIT_FAILURE
*
*-------------------------------------------------------------------------
*/
int
main(void)
{
const char *driver_name; /* name of current VFD (from env var) */
bool vfd_supports_swmr; /* whether the current VFD supports SWMR */
hid_t fapl_id = H5I_INVALID_HID; /* file access proplist ID */
char filename[1024]; /* filename */
bool check_second_dset; /* whether or not to check the second dset */
H5E_auto2_t func; /* for shutting off error reporting */
bool driver_is_default_vfd_compatible;
h5_test_init();
if ((fapl_id = h5_fileaccess()) < 0)
PUTS_ERROR("bad vfd-dependent fapl");
/* Check if the current VFD supports SWMR */
driver_name = h5_get_test_driver_name();
vfd_supports_swmr = H5FD__supports_swmr_test(driver_name);
if (h5_driver_is_default_vfd_compatible(fapl_id, &driver_is_default_vfd_compatible) < 0) {
printf("Can't check if VFD is compatible with default VFD\n");
exit(EXIT_FAILURE);
}
if (!driver_is_default_vfd_compatible) {
printf("Skipping SWMR tests for VFD incompatible with default VFD\n");
exit(EXIT_SUCCESS);
}
/* TEST 1 */
/* Check the case where the file was flushed */
TESTING("H5Fflush (part2 with flush)");
h5_fixname(FILENAME[0], fapl_id, filename, sizeof(filename));
check_second_dset = false;
if (file_ok(filename, fapl_id, check_second_dset))
PASSED();
else
TEST_ERROR;
/* TEST 2 */
/* Check the case where the file was flushed (w/SWMR) */
TESTING("H5Fflush (part2 with flush + SWMR)");
if (vfd_supports_swmr) {
h5_fixname(FILENAME[1], fapl_id, filename, sizeof(filename));
check_second_dset = false;
if (clear_status_flags(filename, fapl_id) < 0)
TEST_ERROR;
if (file_ok(filename, fapl_id, check_second_dset))
PASSED();
else
TEST_ERROR;
} /* end if */
else
SKIPPED();
/* TEST 3 */
/* Check the case where the file was not flushed */
TESTING("H5Fflush (part2 without flush)");
/* Turn the error stack off (failures expected) */
if (H5Eget_auto2(H5E_DEFAULT, &func, NULL) < 0)
FAIL_STACK_ERROR;
if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0)
FAIL_STACK_ERROR;
h5_fixname(FILENAME[2], fapl_id, filename, sizeof(filename));
check_second_dset = false;
if (file_ok(filename, fapl_id, check_second_dset)) {
#if defined H5_HAVE_WIN32_API && !defined(hdf5_EXPORTS)
SKIPPED();
puts(" the DLL will flush the file even when calling _exit, skip this test temporarily");
#else
TEST_ERROR;
#endif
} /* end if */
else
PASSED();
/* Turn the error stack back on */
if (H5Eset_auto2(H5E_DEFAULT, func, NULL) < 0)
FAIL_STACK_ERROR;
/* TEST 4 */
/* Check the case where the file was not flushed (w/SWMR) */
TESTING("H5Fflush (part2 without flush + SWMR)");
if (vfd_supports_swmr) {
/* Turn the error stack off (failures expected) */
if (H5Eget_auto2(H5E_DEFAULT, &func, NULL) < 0)
FAIL_STACK_ERROR;
if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0)
FAIL_STACK_ERROR;
h5_fixname(FILENAME[3], fapl_id, filename, sizeof(filename));
check_second_dset = false;
if (clear_status_flags(filename, fapl_id) < 0)
TEST_ERROR;
if (file_ok(filename, fapl_id, check_second_dset)) {
#if defined H5_HAVE_WIN32_API && !defined(hdf5_EXPORTS)
SKIPPED();
puts(" the DLL will flush the file even when calling _exit, skip this test temporarily");
#else
TEST_ERROR;
#endif
} /* end if */
else
PASSED();
/* Turn the error stack back on */
if (H5Eset_auto2(H5E_DEFAULT, func, NULL) < 0)
FAIL_STACK_ERROR;
} /* end if */
else
SKIPPED();
/* TEST 5 */
/* Check the case where the file was flushed, but more data was
* added afterward and then flushed
*/
TESTING("H5Fflush (part2 with flush and later addition and another flush)");
check_second_dset = true;
h5_fixname(FILENAME[4], fapl_id, filename, sizeof(filename));
if (file_ok(filename, fapl_id, check_second_dset))
PASSED();
else
TEST_ERROR;
/* TEST 6 */
/* Check the case where the file was flushed, but more data was
* added afterward and then flushed (w/SWMR)
*/
TESTING("H5Fflush (part2 with flush and later addition and another flush + SWMR)");
if (vfd_supports_swmr) {
check_second_dset = true;
h5_fixname(FILENAME[5], fapl_id, filename, sizeof(filename));
if (clear_status_flags(filename, fapl_id) < 0)
TEST_ERROR;
if (file_ok(filename, fapl_id, check_second_dset))
PASSED();
else
TEST_ERROR;
} /* end if */
else
SKIPPED();
/* TEST 7 */
/* Check the case where the file was flushed, but more data was added
* afterward and not flushed.
*/
TESTING("H5Fflush (part2 with flush and later addition)");
/* Turn the error stack off (failures expected) */
if (H5Eget_auto2(H5E_DEFAULT, &func, NULL) < 0)
FAIL_STACK_ERROR;
if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0)
FAIL_STACK_ERROR;
h5_fixname(FILENAME[6], fapl_id, filename, sizeof(filename));
check_second_dset = true;
if (file_ok(filename, fapl_id, check_second_dset)) {
#if defined H5_HAVE_WIN32_API && !defined(hdf5_EXPORTS)
SKIPPED();
puts(" the DLL will flush the file even when calling _exit, skip this test temporarily");
#else
TEST_ERROR;
#endif
} /* end if */
else
PASSED();
/* Turn the error stack back on */
if (H5Eset_auto2(H5E_DEFAULT, func, NULL) < 0)
FAIL_STACK_ERROR;
/* TEST 8 */
/* Check the case where the file was flushed, but more data was added
* afterward and not flushed (w/ SWMR).
*/
TESTING("H5Fflush (part2 with flush and later addition + SWMR)");
if (vfd_supports_swmr) {
/* Turn the error stack off (failures expected) */
if (H5Eget_auto2(H5E_DEFAULT, &func, NULL) < 0)
FAIL_STACK_ERROR;
if (H5Eset_auto2(H5E_DEFAULT, NULL, NULL) < 0)
FAIL_STACK_ERROR;
h5_fixname(FILENAME[7], fapl_id, filename, sizeof(filename));
check_second_dset = true;
if (clear_status_flags(filename, fapl_id) < 0)
TEST_ERROR;
if (file_ok(filename, fapl_id, check_second_dset)) {
#if defined H5_HAVE_WIN32_API && !defined(hdf5_EXPORTS)
SKIPPED();
puts(" the DLL will flush the file even when calling _exit, skip this test temporarily");
#else
TEST_ERROR;
#endif
} /* end if */
else
PASSED();
/* Turn the error stack back on */
if (H5Eset_auto2(H5E_DEFAULT, func, NULL) < 0)
FAIL_STACK_ERROR;
} /* end if */
else
SKIPPED();
if (!vfd_supports_swmr)
printf("NOTE: Some tests were skipped since the current VFD lacks SWMR support\n");
h5_cleanup(FILENAME, fapl_id);
exit(EXIT_SUCCESS);
error:
exit(EXIT_FAILURE);
} /* end main() */
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